Volume 2, Issue 3 (2000)
JAST 2000, 2(3): 161-166 |
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Pourmirza A A. Toxic Effects of Malathion and Endosulfan on Chick Embryo. JAST 2000; 2 (3) :161-166
URL: http://jast.modares.ac.ir/article-23-978-en.html
URL: http://jast.modares.ac.ir/article-23-978-en.html
Department of Plant Protection, Urmia University, Urmia, Islamic Republic of Iran.
Abstract: (5845 Views)
Toxic effects of malathion and endosulfan to fertile chicken eggs were determined. In-jection of 1.25, 2.5, 5.0 and 10.0 mg/egg of malathion into yolk sac of fertile eggs prior to incubation caused mortality of 10.0, 30.0, 83.33 and 93.33% respectively. Similar trend was observed with injection of endosulfan doses. Malathion and endosulfan at 1.25 mg/egg caused no pronounced LD50 increase in mortality as compared to control groups. The LD50 values for these insecticides proved malathion to be more toxic than endosulf- an. The hypothesis that the dose response of viable embryo fitted a linear regression line was statistically acceptable. Combination of malathion and endosulfan increased the mor-tality rate as compared with either one alone. With either compound, an increased dose generally resulted in a decrease in embryonic body weight.
Received: 2010/05/12 | Accepted: 2010/05/12 | Published: 2010/05/12
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